[jit] Allow custom class functions to be traced in invokeScriptMethodFromPython(). (#67380)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/67380
Test Plan: eyes
Reviewed By: tugsbayasgalan
Differential Revision: D31975656
fbshipit-source-id: 47c8c9854899e9fed5a635f88470711dc4c95970
